Because she was an operetta (operator).
IPatch
None. They aren't about to change a bulb when flipping a switch has worked for 15 years.
Because it was FeO
They're all girls on fire.
Can't catch me - Avicii
Auld Lang Swine.
Disclaimer: I don't know how well this joke will work in English. What's yellow and lies in a pond? An excevator. You don't think this is funny? Neither does the operator.
Nutty Marietta!